diff options
Diffstat (limited to 'sound/firewire/fireworks/fireworks.c')
| -rw-r--r-- | sound/firewire/fireworks/fireworks.c | 427 |
1 files changed, 427 insertions, 0 deletions
diff --git a/sound/firewire/fireworks/fireworks.c b/sound/firewire/fireworks/fireworks.c new file mode 100644 index 000000000..f2d073365 --- /dev/null +++ b/sound/firewire/fireworks/fireworks.c @@ -0,0 +1,427 @@ +/* + * fireworks.c - a part of driver for Fireworks based devices + * + * Copyright (c) 2009-2010 Clemens Ladisch + * Copyright (c) 2013-2014 Takashi Sakamoto + * + * Licensed under the terms of the GNU General Public License, version 2. + */ + +/* + * Fireworks is a board module which Echo Audio produced. This module consists + * of three chipsets: + * - Communication chipset for IEEE1394 PHY/Link and IEC 61883-1/6 + * - DSP or/and FPGA for signal processing + * - Flash Memory to store firmwares + */ + +#include "fireworks.h" + +MODULE_DESCRIPTION("Echo Fireworks driver"); +MODULE_AUTHOR("Takashi Sakamoto <o-takashi@sakamocchi.jp>"); +MODULE_LICENSE("GPL v2"); + +static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; +static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; +static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; +unsigned int snd_efw_resp_buf_size = 1024; +bool snd_efw_resp_buf_debug = false; + +module_param_array(index, int, NULL, 0444); +MODULE_PARM_DESC(index, "card index"); +module_param_array(id, charp, NULL, 0444); +MODULE_PARM_DESC(id, "ID string"); +module_param_array(enable, bool, NULL, 0444); +MODULE_PARM_DESC(enable, "enable Fireworks sound card"); +module_param_named(resp_buf_size, snd_efw_resp_buf_size, uint, 0444); +MODULE_PARM_DESC(resp_buf_size, + "response buffer size (max 4096, default 1024)"); +module_param_named(resp_buf_debug, snd_efw_resp_buf_debug, bool, 0444); +MODULE_PARM_DESC(resp_buf_debug, "store all responses to buffer"); + +static DEFINE_MUTEX(devices_mutex); +static DECLARE_BITMAP(devices_used, SNDRV_CARDS); + +#define VENDOR_LOUD 0x000ff2 +#define MODEL_MACKIE_400F 0x00400f +#define MODEL_MACKIE_1200F 0x01200f + +#define VENDOR_ECHO 0x001486 +#define MODEL_ECHO_AUDIOFIRE_12 0x00af12 +#define MODEL_ECHO_AUDIOFIRE_12HD 0x0af12d +#define MODEL_ECHO_AUDIOFIRE_12_APPLE 0x0af12a +/* This is applied for AudioFire8 (until 2009 July) */ +#define MODEL_ECHO_AUDIOFIRE_8 0x000af8 +#define MODEL_ECHO_AUDIOFIRE_2 0x000af2 +#define MODEL_ECHO_AUDIOFIRE_4 0x000af4 +/* AudioFire9 is applied for AudioFire8(since 2009 July) and AudioFirePre8 */ +#define MODEL_ECHO_AUDIOFIRE_9 0x000af9 +/* unknown as product */ +#define MODEL_ECHO_FIREWORKS_8 0x0000f8 +#define MODEL_ECHO_FIREWORKS_HDMI 0x00afd1 + +#define VENDOR_GIBSON 0x00075b +/* for Robot Interface Pack of Dark Fire, Dusk Tiger, Les Paul Standard 2010 */ +#define MODEL_GIBSON_RIP 0x00afb2 +/* unknown as product */ +#define MODEL_GIBSON_GOLDTOP 0x00afb9 + +/* part of hardware capability flags */ +#define FLAG_RESP_ADDR_CHANGABLE 0 + +static int +get_hardware_info(struct snd_efw *efw) +{ + struct fw_device *fw_dev = fw_parent_device(efw->unit); + struct snd_efw_hwinfo *hwinfo; + char version[12] = {0}; + int err; + + hwinfo = kzalloc(sizeof(struct snd_efw_hwinfo), GFP_KERNEL); + if (hwinfo == NULL) + return -ENOMEM; + + err = snd_efw_command_get_hwinfo(efw, hwinfo); + if (err < 0) + goto end; + + /* firmware version for communication chipset */ + snprintf(version, sizeof(version), "%u.%u", + (hwinfo->arm_version >> 24) & 0xff, + (hwinfo->arm_version >> 16) & 0xff); + efw->firmware_version = hwinfo->arm_version; + + strcpy(efw->card->driver, "Fireworks"); + strcpy(efw->card->shortname, hwinfo->model_name); + strcpy(efw->card->mixername, hwinfo->model_name); + snprintf(efw->card->longname, sizeof(efw->card->longname), + "%s %s v%s, GUID %08x%08x at %s, S%d", + hwinfo->vendor_name, hwinfo->model_name, version, + hwinfo->guid_hi, hwinfo->guid_lo, + dev_name(&efw->unit->device), 100 << fw_dev->max_speed); + + if (hwinfo->flags & BIT(FLAG_RESP_ADDR_CHANGABLE)) + efw->resp_addr_changable = true; + + efw->supported_sampling_rate = 0; + if ((hwinfo->min_sample_rate <= 22050) + && (22050 <= hwinfo->max_sample_rate)) + efw->supported_sampling_rate |= SNDRV_PCM_RATE_22050; + if ((hwinfo->min_sample_rate <= 32000) + && (32000 <= hwinfo->max_sample_rate)) + efw->supported_sampling_rate |= SNDRV_PCM_RATE_32000; + if ((hwinfo->min_sample_rate <= 44100) + && (44100 <= hwinfo->max_sample_rate)) + efw->supported_sampling_rate |= SNDRV_PCM_RATE_44100; + if ((hwinfo->min_sample_rate <= 48000) + && (48000 <= hwinfo->max_sample_rate)) + efw->supported_sampling_rate |= SNDRV_PCM_RATE_48000; + if ((hwinfo->min_sample_rate <= 88200) + && (88200 <= hwinfo->max_sample_rate)) + efw->supported_sampling_rate |= SNDRV_PCM_RATE_88200; + if ((hwinfo->min_sample_rate <= 96000) + && (96000 <= hwinfo->max_sample_rate)) + efw->supported_sampling_rate |= SNDRV_PCM_RATE_96000; + if ((hwinfo->min_sample_rate <= 176400) + && (176400 <= hwinfo->max_sample_rate)) + efw->supported_sampling_rate |= SNDRV_PCM_RATE_176400; + if ((hwinfo->min_sample_rate <= 192000) + && (192000 <= hwinfo->max_sample_rate)) + efw->supported_sampling_rate |= SNDRV_PCM_RATE_192000; + + /* the number of MIDI ports, not of MIDI conformant data channels */ + if (hwinfo->midi_out_ports > SND_EFW_MAX_MIDI_OUT_PORTS || + hwinfo->midi_in_ports > SND_EFW_MAX_MIDI_IN_PORTS) { + err = -EIO; + goto end; + } + efw->midi_out_ports = hwinfo->midi_out_ports; + efw->midi_in_ports = hwinfo->midi_in_ports; + + if (hwinfo->amdtp_tx_pcm_channels > AM824_MAX_CHANNELS_FOR_PCM || + hwinfo->amdtp_tx_pcm_channels_2x > AM824_MAX_CHANNELS_FOR_PCM || + hwinfo->amdtp_tx_pcm_channels_4x > AM824_MAX_CHANNELS_FOR_PCM || + hwinfo->amdtp_rx_pcm_channels > AM824_MAX_CHANNELS_FOR_PCM || + hwinfo->amdtp_rx_pcm_channels_2x > AM824_MAX_CHANNELS_FOR_PCM || + hwinfo->amdtp_rx_pcm_channels_4x > AM824_MAX_CHANNELS_FOR_PCM) { + err = -ENOSYS; + goto end; + } + efw->pcm_capture_channels[0] = hwinfo->amdtp_tx_pcm_channels; + efw->pcm_capture_channels[1] = hwinfo->amdtp_tx_pcm_channels_2x; + efw->pcm_capture_channels[2] = hwinfo->amdtp_tx_pcm_channels_4x; + efw->pcm_playback_channels[0] = hwinfo->amdtp_rx_pcm_channels; + efw->pcm_playback_channels[1] = hwinfo->amdtp_rx_pcm_channels_2x; + efw->pcm_playback_channels[2] = hwinfo->amdtp_rx_pcm_channels_4x; + + /* Hardware metering. */ + if (hwinfo->phys_in_grp_count > HWINFO_MAX_CAPS_GROUPS || + hwinfo->phys_out_grp_count > HWINFO_MAX_CAPS_GROUPS) { + err = -EIO; + goto end; + } + efw->phys_in = hwinfo->phys_in; + efw->phys_out = hwinfo->phys_out; + efw->phys_in_grp_count = hwinfo->phys_in_grp_count; + efw->phys_out_grp_count = hwinfo->phys_out_grp_count; + memcpy(&efw->phys_in_grps, hwinfo->phys_in_grps, + sizeof(struct snd_efw_phys_grp) * hwinfo->phys_in_grp_count); + memcpy(&efw->phys_out_grps, hwinfo->phys_out_grps, + sizeof(struct snd_efw_phys_grp) * hwinfo->phys_out_grp_count); + + /* AudioFire8 (since 2009) and AudioFirePre8 */ + if (hwinfo->type == MODEL_ECHO_AUDIOFIRE_9) + efw->is_af9 = true; + /* These models uses the same firmware. */ + if (hwinfo->type == MODEL_ECHO_AUDIOFIRE_2 || + hwinfo->type == MODEL_ECHO_AUDIOFIRE_4 || + hwinfo->type == MODEL_ECHO_AUDIOFIRE_9 || + hwinfo->type == MODEL_GIBSON_RIP || + hwinfo->type == MODEL_GIBSON_GOLDTOP) + efw->is_fireworks3 = true; +end: + kfree(hwinfo); + return err; +} + +static void efw_free(struct snd_efw *efw) +{ + snd_efw_stream_destroy_duplex(efw); + snd_efw_transaction_remove_instance(efw); + fw_unit_put(efw->unit); + + kfree(efw->resp_buf); + + mutex_destroy(&efw->mutex); + kfree(efw); +} + +/* + * This module releases the FireWire unit data after all ALSA character devices + * are released by applications. This is for releasing stream data or finishing + * transactions safely. Thus at returning from .remove(), this module still keep + * references for the unit. + */ +static void +efw_card_free(struct snd_card *card) +{ + struct snd_efw *efw = card->private_data; + + if (efw->card_index >= 0) { + mutex_lock(&devices_mutex); + clear_bit(efw->card_index, devices_used); + mutex_unlock(&devices_mutex); + } + + efw_free(card->private_data); +} + +static void +do_registration(struct work_struct *work) +{ + struct snd_efw *efw = container_of(work, struct snd_efw, dwork.work); + unsigned int card_index; + int err; + + if (efw->registered) + return; + + mutex_lock(&devices_mutex); + + /* check registered cards */ + for (card_index = 0; card_index < SNDRV_CARDS; ++card_index) { + if (!test_bit(card_index, devices_used) && enable[card_index]) + break; + } + if (card_index >= SNDRV_CARDS) { + mutex_unlock(&devices_mutex); + return; + } + + err = snd_card_new(&efw->unit->device, index[card_index], + id[card_index], THIS_MODULE, 0, &efw->card); + if (err < 0) { + mutex_unlock(&devices_mutex); + return; + } + + /* prepare response buffer */ + snd_efw_resp_buf_size = clamp(snd_efw_resp_buf_size, + SND_EFW_RESPONSE_MAXIMUM_BYTES, 4096U); + efw->resp_buf = kzalloc(snd_efw_resp_buf_size, GFP_KERNEL); + if (efw->resp_buf == NULL) { + err = -ENOMEM; + goto error; + } + efw->pull_ptr = efw->push_ptr = efw->resp_buf; + snd_efw_transaction_add_instance(efw); + + err = get_hardware_info(efw); + if (err < 0) + goto error; + + err = snd_efw_stream_init_duplex(efw); + if (err < 0) + goto error; + + snd_efw_proc_init(efw); + + if (efw->midi_out_ports || efw->midi_in_ports) { + err = snd_efw_create_midi_devices(efw); + if (err < 0) + goto error; + } + + err = snd_efw_create_pcm_devices(efw); + if (err < 0) + goto error; + + err = snd_efw_create_hwdep_device(efw); + if (err < 0) + goto error; + + err = snd_card_register(efw->card); + if (err < 0) + goto error; + + set_bit(card_index, devices_used); + mutex_unlock(&devices_mutex); + + /* + * After registered, efw instance can be released corresponding to + * releasing the sound card instance. + */ + efw->card->private_free = efw_card_free; + efw->card->private_data = efw; + efw->registered = true; + + return; +error: + mutex_unlock(&devices_mutex); + snd_efw_transaction_remove_instance(efw); + snd_efw_stream_destroy_duplex(efw); + snd_card_free(efw->card); + kfree(efw->resp_buf); + efw->resp_buf = NULL; + dev_info(&efw->unit->device, + "Sound card registration failed: %d\n", err); +} + +static int +efw_probe(struct fw_unit *unit, const struct ieee1394_device_id *entry) +{ + struct snd_efw *efw; + + efw = kzalloc(sizeof(struct snd_efw), GFP_KERNEL); + if (efw == NULL) + return -ENOMEM; + + efw->unit = fw_unit_get(unit); + dev_set_drvdata(&unit->device, efw); + + mutex_init(&efw->mutex); + spin_lock_init(&efw->lock); + init_waitqueue_head(&efw->hwdep_wait); + + /* Allocate and register this sound card later. */ + INIT_DEFERRABLE_WORK(&efw->dwork, do_registration); + snd_fw_schedule_registration(unit, &efw->dwork); + + return 0; +} + +static void efw_update(struct fw_unit *unit) +{ + struct snd_efw *efw = dev_get_drvdata(&unit->device); + + /* Postpone a workqueue for deferred registration. */ + if (!efw->registered) + snd_fw_schedule_registration(unit, &efw->dwork); + + snd_efw_transaction_bus_reset(efw->unit); + + /* + * After registration, userspace can start packet streaming, then this + * code block works fine. + */ + if (efw->registered) { + mutex_lock(&efw->mutex); + snd_efw_stream_update_duplex(efw); + mutex_unlock(&efw->mutex); + } +} + +static void efw_remove(struct fw_unit *unit) +{ + struct snd_efw *efw = dev_get_drvdata(&unit->device); + + /* + * Confirm to stop the work for registration before the sound card is + * going to be released. The work is not scheduled again because bus + * reset handler is not called anymore. + */ + cancel_delayed_work_sync(&efw->dwork); + + if (efw->registered) { + /* No need to wait for releasing card object in this context. */ + snd_card_free_when_closed(efw->card); + } else { + /* Don't forget this case. */ + efw_free(efw); + } +} + +static const struct ieee1394_device_id efw_id_table[] = { + SND_EFW_DEV_ENTRY(VENDOR_LOUD, MODEL_MACKIE_400F), + SND_EFW_DEV_ENTRY(VENDOR_LOUD, MODEL_MACKIE_1200F), + SND_EFW_DEV_ENTRY(VENDOR_ECHO, MODEL_ECHO_AUDIOFIRE_8), + SND_EFW_DEV_ENTRY(VENDOR_ECHO, MODEL_ECHO_AUDIOFIRE_12), + SND_EFW_DEV_ENTRY(VENDOR_ECHO, MODEL_ECHO_AUDIOFIRE_12HD), + SND_EFW_DEV_ENTRY(VENDOR_ECHO, MODEL_ECHO_AUDIOFIRE_12_APPLE), + SND_EFW_DEV_ENTRY(VENDOR_ECHO, MODEL_ECHO_AUDIOFIRE_2), + SND_EFW_DEV_ENTRY(VENDOR_ECHO, MODEL_ECHO_AUDIOFIRE_4), + SND_EFW_DEV_ENTRY(VENDOR_ECHO, MODEL_ECHO_AUDIOFIRE_9), + SND_EFW_DEV_ENTRY(VENDOR_ECHO, MODEL_ECHO_FIREWORKS_8), + SND_EFW_DEV_ENTRY(VENDOR_ECHO, MODEL_ECHO_FIREWORKS_HDMI), + SND_EFW_DEV_ENTRY(VENDOR_GIBSON, MODEL_GIBSON_RIP), + SND_EFW_DEV_ENTRY(VENDOR_GIBSON, MODEL_GIBSON_GOLDTOP), + {} +}; +MODULE_DEVICE_TABLE(ieee1394, efw_id_table); + +static struct fw_driver efw_driver = { + .driver = { + .owner = THIS_MODULE, + .name = "snd-fireworks", + .bus = &fw_bus_type, + }, + .probe = efw_probe, + .update = efw_update, + .remove = efw_remove, + .id_table = efw_id_table, +}; + +static int __init snd_efw_init(void) +{ + int err; + + err = snd_efw_transaction_register(); + if (err < 0) + goto end; + + err = driver_register(&efw_driver.driver); + if (err < 0) + snd_efw_transaction_unregister(); + +end: + return err; +} + +static void __exit snd_efw_exit(void) +{ + snd_efw_transaction_unregister(); + driver_unregister(&efw_driver.driver); +} + +module_init(snd_efw_init); +module_exit(snd_efw_exit); |